144-x^2=-25

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Solution for 144-x^2=-25 equation: 


Simplifying
144 + -1x2 = -25

Solving
144 + -1x2 = -25

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-144' to each side of the equation.
144 + -144 + -1x2 = -25 + -144

Combine like terms: 144 + -144 = 0
0 + -1x2 = -25 + -144
-1x2 = -25 + -144

Combine like terms: -25 + -144 = -169
-1x2 = -169

Divide each side by '-1'.
x2 = 169

Simplifying
x2 = 169

Take the square root of each side:
x = {-13, 13}

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